CN115296691B - Signal receiving and transmitting device and wireless network equipment - Google Patents
Signal receiving and transmitting device and wireless network equipment Download PDFInfo
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- CN115296691B CN115296691B CN202210914223.3A CN202210914223A CN115296691B CN 115296691 B CN115296691 B CN 115296691B CN 202210914223 A CN202210914223 A CN 202210914223A CN 115296691 B CN115296691 B CN 115296691B
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- 230000008054 signal transmission Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 23
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- 238000013461 design Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 16
- 239000003990 capacitor Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
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- 238000002955 isolation Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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Abstract
The invention discloses a signal receiving and transmitting device and wireless network equipment, the device includes: the mixed signal receiving and transmitting module is connected with the first frequency band antenna and the second frequency band antenna; the mixed signal receiving and transmitting module is used for controlling the generated first frequency band wireless signals to be transmitted through the first frequency band antenna when the first frequency band wireless signal transmitting condition is met; and when the second frequency band wireless signal transmission condition is met, controlling the generated second frequency band wireless signal to be transmitted through the second frequency band antenna. According to the device, according to the transmitting conditions of the wireless signals in different frequency bands, the wireless signals mixed with the multiple frequency bands can be separated through the mixed signal receiving and transmitting module and transmitted by the antennas in the corresponding frequency bands, so that the switching of the wireless signals in different frequency bands is simultaneously supported, and the compatible design of receiving and transmitting the wireless signals in the multiple frequency bands is achieved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a signal transceiver and a wireless network device.
Background
Wifi6E is a huge span compared with Wifi6, and a brand new 6GHz frequency band is adopted, and the bandwidth is from 5925MHz to 7125MHz and is approximately 1.2G. 6GHz is a comparatively idle frequency band, and the potential is huge, has solved the problem of frequency spectrum insufficiency once more. At present, wifi6E has different opening degrees in various areas, the domestic market does not open a 6G frequency band, and the north american market opens a 6G frequency band.
In the prior art, aiming at different areas, three-frequency products cannot simultaneously support signals of 2.4G, 5G and 6G or signals of 2.4G, 5G LOW and 5G High, the requirements of High-order products are not met, and more user carrying capacity cannot be provided.
Disclosure of Invention
The invention provides a signal receiving and transmitting device and wireless network equipment, which are used for receiving and transmitting signals in different frequency bands.
According to an aspect of the present invention, there is provided a signal transceiving apparatus comprising: the mixed signal receiving and transmitting module is connected with the first frequency band antenna and the second frequency band antenna;
the mixed signal receiving and transmitting module is used for controlling the generated first frequency band wireless signal to be transmitted through the first frequency band antenna when the first frequency band wireless signal transmitting condition is met; when the second frequency band wireless signal sending condition is met, controlling the generated second frequency band wireless signal to be sent through the second frequency band antenna;
wherein the signal frequency ranges of the first frequency band and the second frequency band are different.
According to another aspect of the present invention, there is provided a wireless network device: comprising the following steps: the main control device and the signal receiving and transmitting device according to any embodiment of the invention;
the signal receiving and transmitting device is connected with the main control device and is used for receiving a wireless signal transmission request of the main control device, generating a wireless signal of a frequency band corresponding to the wireless signal transmission request and controlling an antenna matched with the corresponding frequency band to transmit the wireless signal;
the frequency band comprises a first frequency band and a second frequency band, the wireless signals comprise a first frequency band wireless signal and a second frequency band wireless signal, and the antenna matched with the frequency band comprises: a first frequency band antenna and a second frequency band antenna;
the signal frequency ranges of the first frequency band and the second frequency band are different.
According to the technical scheme, the mixed signal receiving and transmitting module, and the first frequency band antenna and the second frequency band antenna which are connected with the mixed signal receiving and transmitting module are adopted; the mixed signal receiving and transmitting module is used for controlling the generated first frequency band wireless signals to be transmitted through the first frequency band antenna when the first frequency band wireless signal transmitting condition is met; and when the second frequency band wireless signal transmission condition is met, controlling the generated second frequency band wireless signal to be transmitted through the second frequency band antenna. According to the device, according to the transmitting conditions of the wireless signals in different frequency bands, the wireless signals mixed with the multiple frequency bands can be separated through the mixed signal receiving and transmitting module and transmitted by the antennas in the corresponding frequency bands, so that the switching of the wireless signals in different frequency bands is simultaneously supported, and the compatible design of receiving and transmitting the wireless signals in the multiple frequency bands is achieved.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a signal transceiver according to a first embodiment of the present invention;
fig. 2 is a block diagram of a mixed signal transceiver module in a signal transceiver according to a first embodiment of the present invention;
fig. 3 is a diagram illustrating a structure of a control switch in a signal transceiver according to a first embodiment of the present invention;
fig. 4 is a circuit configuration diagram of a broadband signal matching circuit in a signal transceiver according to a first embodiment of the present invention;
fig. 5 is an exemplary diagram illustrating an effect of a wideband signal matching circuit in a signal transceiver according to an embodiment of the invention;
fig. 6a-6b are circuit configuration diagrams of a first power supply control circuit and a second control circuit in a signal transceiver according to a first embodiment of the present invention;
fig. 7 is a schematic diagram of a wireless network device implementing an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a block diagram of a signal transceiver according to a first embodiment of the present invention. The present embodiment is applicable to a case of receiving and transmitting multi-band signals, as shown in fig. 1, the apparatus includes: the mixed signal transceiver module 11 and the first band antenna 21 and the second band antenna 31 connected to the mixed signal transceiver module 11.
The mixed signal transceiver module 11 is configured to control the generated first frequency band wireless signal to be transmitted through the first frequency band antenna 21 when the first frequency band wireless signal transmission condition is satisfied; and when the second frequency band wireless signal transmission condition is satisfied, controlling the generated second frequency band wireless signal to be transmitted through the second frequency band antenna 31; wherein the signal frequency ranges of the first frequency band and the second frequency band are different.
In the present embodiment, the mixed signal transceiver module 11 may be understood as a module that separates a mixed signal and transmits and receives the mixed signal and separates the mixed signal. The first band antenna 21 is used for receiving and transmitting signals of a first band, and the second band antenna 31 is used for receiving and transmitting signals of a second band.
The first frequency band wireless signal may be understood as a wireless signal which is divided according to a frequency range, for example, the first frequency band wireless signal may be a 5G frequency band; the second frequency band wireless signal may be understood as another wireless signal divided by a frequency range, e.g. the second frequency band wireless signal may be a 6G frequency band. The first band antenna 21 may be understood as an antenna corresponding to the first band wireless signal, and the first band wireless signal may be transmitted through the first band antenna 21; the second band antenna 31 may be understood as an antenna corresponding to the second band wireless signal, and the second band wireless signal may be transmitted through the second band antenna 31.
Specifically, the requirements for different frequency bands are different, so that the conditions can be set according to the requirements. If the use requirement is the first frequency band wireless signal, a first frequency band wireless signal control instruction can be generated and sent to the mixed signal receiving and transmitting module 11, and the mixed signal receiving and transmitting module 11 is controlled to separate the mixed signal according to the use requirement, and the first frequency band wireless signal is separated and transmitted through the first frequency band antenna; when the use requirement is the second frequency band wireless signal, a second frequency band wireless signal control instruction can be generated and sent to the mixed signal receiving and transmitting module 11, and the mixed signal receiving and transmitting module 11 is controlled to separate the mixed signal according to the use requirement, and the second frequency band wireless signal is separated and transmitted through the second frequency band antenna.
Illustratively, the first frequency band wireless signal may be a 5G signal and the second frequency band wireless signal may be a 6G signal. When the use requirement is 5G signals, generating 5G signal control instructions, and separating mixed signals mixed with 5G signals and 6G signals by the mixed signal receiving and transmitting module 11 according to the 5G signal control instructions, separating out the 5G signals and transmitting the 5G signals through the first frequency band antenna; when the use requirement is 6G signal, generate 6G signal control command, mix signal transceiver module 11 separates the mixed signal that mixes 5G and 6G signal according to 6G signal control command, separates out 6G signal and sends it through the second frequency channel antenna.
According to the signal transceiving device provided by the first embodiment, according to the transmitting conditions of the wireless signals in different frequency bands, the wireless signals mixed with the multiple frequency bands can be separated through the mixed signal transceiving module and transmitted by the antennas in the corresponding frequency bands, so that the switching of the wireless signals in different frequency bands is simultaneously supported, and the compatible design of the transceiving of the wireless signals in multiple frequency bands is achieved.
Fig. 2 is a block diagram of a mixed signal transceiver module 11 in a signal transceiver according to an embodiment of the invention. As shown in fig. 2, the mixed signal transceiver module 11 includes:
the power amplifier comprises a mixed signal transceiver chip 110, a transmitting signal control switch 111, a feedback signal control switch 112, a receiving signal control switch 113, a first frequency band power amplifier circuit 114, a second frequency band power amplifier circuit 115, a first filter circuit 116, a second filter circuit 117, a broadband signal matching circuit 118, a first power supply control circuit 119 and a second power supply control circuit 120, wherein a level pin is not shown.
Further, as shown in fig. 2, the mixed signal transceiver module 11 may include: the mixed signal transceiver chip 110, the transmitting signal control switch 111, the feedback signal control switch 112, the receiving signal control switch 113, the first frequency band power amplifier circuit 114 and the second frequency band power amplifier circuit 115.
The signal transmitting pin of the mixed signal receiving and transmitting chip 110 is connected with the signal input end of the transmitting signal control switch 111; the signal feedback pin is connected with the signal input end of the feedback signal control switch 112; the receiving signal pin is connected with a signal input end of the receiving signal control switch 113; the level pins are respectively connected to the first level input terminal and the second level input terminal of the transmit signal control switch 111, the feedback signal control switch 112, and the receive signal control switch 113.
Fig. 3 is a schematic diagram of a control switch in a signal transceiver according to an embodiment of the present invention, where the transmit signal control switch 111, the feedback signal control switch 112 and the receive signal control switch 113 may correspond to the schematic diagram of the control switch. As shown in fig. 3, the left pin is a signal port, gpio_0 is a first level input terminal, gpio_1 is a second level input terminal, and the right pin is a first frequency band wireless signal port and a second frequency band wireless signal port, respectively.
In this embodiment, the mixed signal transceiver chip 110 may be used for modulating and demodulating the mixed signal, and transmitting and receiving signals in different frequency bands.
In this embodiment, the transmit signal control switch 111, the feedback signal control switch 112 and the receive signal control switch 113 may be used to separate the first frequency band wireless signal or the second frequency band wireless signal from the mixed transmit signal, feedback signal and receive signal, where the feedback signal may be understood as a feedback signal generated after the antenna transmits the wireless signal, which indicates the power level and may be used to control the transmit signal strength according to the feedback signal.
Specifically, according to different use requirements, the mixed signal processed by the mixed transceiver chip 110 may be sent to the signal input end of the transmitting signal control switch 111 through the transmitting pin, the generated feedback signal may be sent to the signal feedback pin of the mixed signal transceiver chip 110 through the signal input end of the feedback signal control switch 112, the receiving signal may be sent to the receiving signal pin of the mixed signal transceiver chip 110 through the signal input end of the receiving signal control switch 113, and corresponding level is generated according to different use requirement instructions and input to the first level input end and the second level input end of the control switch corresponding to the requirement through the level pin.
The output ends of the first frequency band signal on the transmitting signal control switch 111, the feedback signal control switch 112 and the receiving signal control switch 113 are respectively connected with the input end of the first frequency band power amplifier circuit 114.
In this embodiment, the first frequency band power amplifier 114 is configured to amplify the power of the first frequency band signal.
Specifically, the first frequency band signal may be transmitted to the input end of the first frequency band power amplifier circuit 114 through the first frequency band signal output end on the transmit signal control switch 111 or the first frequency band signal amplified by the first frequency band power amplifier circuit 114 is transmitted to the first frequency band power amplifier circuit, the feedback signal control switch 112 and the first frequency band signal input end on the receive signal control switch 113.
The second frequency band signal output ends of the transmitting signal control switch 111, the feedback signal control switch 112 and the receiving signal control switch 113 are respectively connected with the input end of the second frequency band power amplifier circuit 115.
In this embodiment, the second band power amplifier circuit 115 is configured to amplify the power of the second band signal.
Specifically, the second frequency band signal may be transmitted to the input end of the second frequency band power amplifier circuit 115 through the second frequency band signal output end on the transmit signal control switch 111 or the second frequency band signal amplified by the second frequency band power amplifier circuit 115 is transmitted to the second frequency band signal input ends on the second frequency band power amplifier circuit 115, the feedback signal control switch 112 and the receive signal control switch 113.
The first-band power amplifier circuit 114 is connected to the first-band antenna 21.
Specifically, the first frequency band power amplifier 114 is connected to the first frequency band antenna 21, and may transmit the first frequency band signal to the first frequency band antenna 21, or may receive the first frequency band signal transmitted by the first frequency band antenna 21.
The second band power amplifier circuit 115 is connected to the second band antenna 31.
Specifically, the first frequency band power amplifier 114 is connected to the first frequency band antenna 21, and may transmit the first frequency band signal to the first frequency band antenna 21, or may receive the first frequency band signal transmitted by the first frequency band antenna 21.
Through the above arrangement, the mixed signal transceiver chip 110 can generate different levels according to different use requirements and input the first level input end and the second level input end of the corresponding control switch, so that the corresponding control switch can output signals of corresponding frequency bands according to different levels, the purpose of signal separation is achieved, and the first frequency band signal or the second frequency band signal transmitted by the corresponding control switch or the antenna is input to the first frequency band power amplifier circuit 114 or the second frequency band power amplifier circuit 115, so that the amplification of signal power is achieved.
Optionally, as shown in fig. 2, the mixed signal transceiver module 11 further includes: a first filter circuit 116 and a second filter circuit 117.
It should be noted that, in order to ensure signal transmission quality, an isolation needs to be made between the first frequency band signal and the second frequency band signal, the isolation degree needs to be ensured to be above 70dB, and the isolation of the first frequency band signal or the second frequency band signal can be achieved by adding the first filter circuit 116 and the second filter circuit 117.
An input terminal of the first filter circuit 116 is connected to an output terminal of the first band power amplifier circuit 114, and an output terminal of the first filter circuit 116 is connected to the first band antenna 21.
In this embodiment, the first filtering circuit 116 may be understood as a circuit for filtering the first frequency band signal, and filtering the second frequency band signal.
Specifically, the first band power amplifier 114 may transmit the first band signal to the input end of the first filter circuit 116 through the output end, and transmit the first band signal to the first band antenna 21 through the output end after being processed by the first filter circuit 116. The first band antenna 21 may transmit the received first band signal to the first filter circuit 116, and transmit the first band signal to the first band power amplifier circuit 114 after being processed by the first filter circuit 116.
An input end of the second filter circuit 117 is connected to an output end of the second frequency band power amplifier circuit 115, and an output end of the second filter circuit 117 is connected to the second frequency band antenna 31.
In this embodiment, the second filter circuit 117 may be understood as a circuit for filtering the second frequency band signal, and filtering the first frequency band signal.
Specifically, the second band power amplifier 115 may transmit the second band signal to the input end of the second filter circuit 117 through the output end, and transmit the second band signal to the second band antenna 31 through the output end after being processed by the second filter circuit 117. The second band antenna 31 may transmit the received second band signal to the second filter circuit 117, and transmit the second band signal to the second band power amplifier circuit 115 after being processed by the second filter circuit 117.
Through the arrangement, two filter circuits are respectively arranged between the two power amplification circuits and the two antennas, and unnecessary signals are attenuated, so that the isolation of the signals in two frequency bands is ensured to be more than 70dB, the mutual interference between the two signals is reduced, and the quality of signal transmission is ensured.
Optionally, as shown in fig. 2, the mixed signal transceiver module 11 further includes: a set amount of wideband signal matching circuit 118.
The mixed signal transceiver chip 110 is connected with the transmitting signal control switch 111, the feedback signal control switch 112 and the receiving signal control switch 113 through the broadband signal matching circuit 118.
Specifically, the mixed signal transceiver chip 110 may send the mixed signal to the wideband signal matching circuit 118, and the mixed signal is processed by the wideband signal matching circuit 118 and then sent to the transmit signal control switch 111. Or the feedback signal control switch 112 and the receiving signal control switch 113 transmit signals to the broadband signal matching circuit 118, and the signals are processed by the broadband signal matching circuit 118 and then transmitted to the mixed signal transceiver chip 110.
Preferably, the first frequency band signal may be a 5G signal, and the second frequency band signal may be a 6G signal, and since the wideband signal matching circuit is disposed between the mixed signal transceiver chip 110 and each control switch, transmission matching of the 5G-7G frequency band signal needs to be satisfied, and minimum loss of signal transmission needs to be achieved.
Fig. 4 is a circuit diagram of a broadband signal matching circuit 118 in a signal transceiver according to a first embodiment of the present invention.
As shown in fig. 4, the broadband signal matching circuit 118 employs a two-stage lc circuit. The capacitor C1 is preferably a high-precision ceramic capacitor, the quality factor of the capacitor C1 is preferably 3PF-8PF, the inductor L1 is preferably a high-precision laminated inductor, the inductance of the inductor L1 is preferably 2.4NF-3.3NH, and the quality factor of the capacitor C2 is preferably 0.1PF-0.3 PF.
The first port of the resistor T1 is connected with the first port of the capacitor C1, the second port of the capacitor C1 is connected with the first port of the inductor L1, the first port of the capacitor C2 and the first port of the resistor T2 respectively, and the second port of the resistor T1 is connected with the second port of the inductor L1, the second port of the capacitor C2 and the second port of the resistor T2.
Through the arrangement, the broadband signal matching circuit 118 is arranged between the mixed transceiver chip 110 and the transmitting signal control switch 111, the feedback signal control switch 112 and the receiving signal control switch 113, and the broadband signal matching circuit 118 is used, so that a two-stage inductance-capacitance circuit is adopted, the broadband signal can be in a range from 5G to 7G, the requirement below the insertion loss of 1DB is met, the maximum transmission of broadband and high-frequency signals which cannot be achieved by the traditional matching circuit (such as L-type, T-type and other networks) is achieved, and the maximum transmission of the broadband signal is met.
Fig. 5 is an exemplary diagram illustrating an effect of a wideband signal matching circuit in a signal transceiver according to an embodiment of the invention. After the broadband signal passes through the broadband signal matching circuit of the signal transceiver, the reflection coefficient and the attenuation coefficient at each frequency are obtained and a curve is drawn, so that the effect example diagram shown in fig. 5 can be obtained. As shown in fig. 5, the abscissa indicates frequency, the ordinate indicates the relative values of the reflection coefficient and the attenuation coefficient, the lower curve indicates the reflection coefficient curve, and the upper curve near 0 indicates the attenuation coefficient curve.
As can be seen from FIG. 5, the frequency corresponding to m1 in the reflectance curve is 6160GHz, the reflectance is-47.454 dB, the frequency corresponding to m2 is 5150GHz, the reflectance is-23.056 dB, the frequency corresponding to m3 is 7130GHz, and the reflectance is-24.868 dB; in the attenuation coefficient curve, the corresponding attenuation coefficient at m1 is 0, the corresponding attenuation coefficient at m2 is 0, and the corresponding attenuation coefficient at m3 is 0. Wherein the lower the reflection coefficient, the less the loss of the signal corresponding to the corresponding frequency, the higher the quality of the signal, and the closer the attenuation coefficient value is to 0, the lower the degree to which the signal is attenuated, and the higher the quality of the signal. The reflection coefficient is smaller than-24 dB in the range of m2-m3 frequency bands from 5150GHz to 7130GHz, namely the range corresponds to the 5G frequency band to the 7G frequency band, the corresponding attenuation coefficient values are all 0, and signals can be transmitted with lower loss in the wide frequency band range of the 5G-7G, so that the transmission requirement that the insertion loss of the wide frequency band signals of the 5G-7G is smaller than 1dB is met.
Optionally, as shown in fig. 2, the mixed signal transceiver module 11 further includes: a first power supply control circuit 119 and a second power supply control circuit 120.
The first power supply control circuit 119 is connected to the level pin of the mixed signal transceiver chip 110, and is further connected to the first frequency band power amplifier circuit 114, and is configured to supply power to the first frequency band power amplifier circuit 114 when receiving a high level signal.
Specifically, the level pin of the mixed signal transceiver chip 110 sends a high level signal or a low level signal to the level pin of the first power supply control circuit 119, and when the high level signal is received, power is supplied to the first frequency band power amplifier circuit 114 through the first frequency band power amplifier circuit 114 connected to the level pin.
The second power supply control circuit 120 is connected to the level pin of the mixed signal transceiver chip, and is further connected to the second frequency band power amplifier circuit, and is configured to supply power to the second frequency band power amplifier circuit when receiving the high level signal.
Specifically, the level pin of the mixed signal transceiver chip 110 sends a high level signal or a low level signal to the level pin of the second power supply control circuit 120, and when the high level signal is received, power is supplied to the first frequency band power amplifier circuit 114 through the first frequency band power amplifier circuit 114 connected to the level pin.
Fig. 6a-6b are circuit configuration diagrams of a first power supply control circuit 119 and a second control circuit 120 in a signal transceiver according to a first embodiment of the present invention.
As shown in fig. 6a, the gpio_2 pin is connected to the mixed signal transceiver chip 110, the first port of the resistor R1 is connected to the gpio_2 pin, the second port of the resistor R1 is connected to the first port of the resistor R2, the first port of the resistor R4 and the first port of the NPN tube Q1, the second port of the resistor R2 is connected to the power supply pin DVDD, the second port of the resistor R4 and the NPN tube Q1 are grounded, the third port of the NPN tube Q1 is connected to the first port of the resistor R3, the second port of the resistor R3 is connected to the first port of the resistor R5 and the first port of the resistor R7, the second port of the resistor R5 is connected to the power supply VDD and the first port of the resistor R6, the second port of the resistor R6 and the second port of the MOS tube SQ1 are connected to the power supply pin VCC, and the second port of the resistor R7 is connected to the first port of the MOS tube SQ 1. Wherein, the first frequency band power amplifier circuit 114 is connected to the power pin VCC 0.
As shown in fig. 6b, the gpio_3 pin is connected to the mixed signal transceiver chip 110, the first port of the resistor R8 is connected to the gpio_2 pin, the second port of the resistor R8 is connected to the first port of the resistor R9, the first port of the resistor R11 and the first port of the NPN tube Q2, the second port of the resistor R9 is connected to the power supply pin DVDD, the second port of the resistor R11 and the NPN tube Q2 are grounded, the third port of the NPN tube Q2 is connected to the first port of the resistor R10, the second port of the resistor R10 is connected to the first port of the resistor R12 and the first port of the resistor R14, the second port of the resistor R12 is connected to the power supply VDD and the first port of the resistor R13, the second port of the resistor R13 and the second port of the MOS tube SQ2 are connected to the power supply pin VCC, and the second port of the resistor R14 is connected to the first port of the MOS tube SQ 2. Wherein, the second frequency band power amplifier circuit 115 is connected to the power pin VCC 1.
Through the arrangement, the high or low level control NPN triode and the MOS tube transmitted by the mixed signal transceiver chip 110 realize the switch of a control power supply, thereby achieving the purpose of respectively controlling the power supply of the first frequency band power amplifier circuit 114 and the second frequency band power amplifier circuit 115 and realizing the purposes of power supply and power saving of the two frequency band power amplifier circuits.
First, the optimized signal transceiver of the present embodiment may also be used for:
when receiving a request for transmitting a radio signal in the first frequency band, the mixed signal transceiver chip 110 transmits a high level to the first level input terminal of the transmission signal control switch 111 and the feedback signal control switch 112 through the level pin, and transmits a low level to the second level input terminal.
For example, the signal transceiver may be connected to a corresponding docking device, when the docking device has a use requirement of the first frequency band wireless signal, the master control device generates a transmission request of the first frequency band wireless signal according to the use requirement and sends the transmission request to the signal transceiver, and after the mixed signal transceiver chip 110 in the signal transceiver receives the transmission request of the first frequency band wireless signal sent by the master control, the mixed signal transceiver chip sends a high level to the first level input ends of the transmit signal control switch 111 and the feedback signal control switch 112 through the level pin, and sends a low level to the second level input ends.
The transmission signal control switch 111 is connected to the first frequency band power amplifier circuit 114 when the first level input terminal inputs the high level and the second level input terminal inputs the low level, and transmits the generated first frequency band wireless signal to the first frequency band antenna 21 through the first frequency band power amplifier circuit 114 for transmission.
Specifically, when the first level input end of the transmission signal control switch 111 inputs a high level and the second level input end inputs a low level, the connection with the first frequency band power amplifier circuit 114 is turned on, the mixed signal is separated by the transmission signal control switch 111 and then the first frequency band wireless signal is output, and the generated first frequency band wireless signal is transmitted to the first frequency band antenna 21 for transmission through the first frequency band power amplifier circuit 114.
The feedback signal control switch 112 is connected to the first frequency band power amplifier 114 when the first level input terminal inputs the high level and the second level input terminal inputs the low level, so as to transmit the feedback signal of the first frequency band power amplifier 114 to the mixed signal transceiver chip.
Specifically, when the first frequency band wireless signal is sent out through the first frequency band antenna 21, a feedback signal is generated, the feedback signal is first transmitted to the first frequency band power amplifier circuit 114, and when the first level input end of the feedback signal control switch 112 inputs a high level and the second level input end inputs a low level, the connection with the first frequency band power amplifier circuit 114 is turned on, so as to transmit the feedback signal of the first frequency band power amplifier circuit 114 to the mixed signal transceiver core 110.
Through the arrangement, when the requirement corresponding to the first frequency band wireless signal exists, the first level input end of each control switch is set to input a high level, the second level input end is set to input a low level, and the link corresponding to the first frequency band wireless signal is conducted, so that the purpose of separating the mixed signal from the first frequency band wireless signal is achieved.
Next, the optimized signal transceiver of the present embodiment may also be used for:
when receiving a request for transmitting a second frequency band wireless signal, the mixed signal transceiver chip 110 transmits a low level to the first level input terminal of the transmit signal control switch 111 and the feedback signal control switch 112 through the level pin, and transmits a high level to the second level input terminal.
For example, the signal transceiver may be connected to a corresponding docking device, when the docking device has a use requirement of the second frequency band wireless signal, the master control device generates a transmission request of the second frequency band wireless signal according to the use requirement and sends the transmission request to the signal transceiver, and after the mixed signal transceiver chip 110 in the signal transceiver receives the transmission request of the second frequency band wireless signal sent by the master control, the mixed signal transceiver chip sends a low level to the first level input ends of the transmit signal control switch 111 and the feedback signal control switch 112 through the level pin, and sends a high level to the second level input ends.
The transmission signal control switch 111 is connected to the second frequency band power amplifier circuit 115 when the first level input terminal inputs the low level and the second level input terminal inputs the high level, and transmits the generated second frequency band wireless signal to the second frequency band antenna 31 through the second frequency band power amplifier circuit 115 for transmission.
Specifically, when the first level input end of the transmit signal control switch 111 inputs a low level and the second level input end inputs a high level, the connection with the second frequency band power amplifier circuit 115 is turned on, the mixed signal is separated by the transmit signal control switch 111 to generate a second frequency band wireless signal, and the generated second frequency band wireless signal is transmitted to the second frequency band antenna 31 for transmission through the second frequency band power amplifier circuit 115.
The feedback signal control switch 112 is connected to the second frequency band power amplifier circuit 115 when the first level input terminal inputs the low level and the second level input terminal inputs the high level, so as to transmit the feedback signal of the second frequency band power amplifier circuit 115 to the mixed signal transceiver chip 110.
Specifically, when the second frequency band wireless signal is transmitted through the second frequency band antenna 31, a feedback signal is generated and is first transmitted to the second frequency band power amplifier circuit 115, and when the first level input end of the feedback signal control switch 112 inputs a high level and the second level input end inputs a low level, the connection with the second frequency band power amplifier circuit 115 is turned on, so as to transmit the feedback signal of the first frequency band power amplifier circuit 114 to the mixed signal transceiver core 110.
Through the arrangement, when the requirement corresponding to the second frequency band wireless signal exists, the first level input end of each control switch is set to input low level, the second level input end is set to input high level, the link corresponding to the second frequency band wireless signal is conducted, and the purpose of separating the mixed signal from the second frequency band wireless signal is achieved.
Again, the optimized signal transceiver of this embodiment may also be used to:
the first frequency band wireless signal received through the first frequency band antenna 21 is transmitted to the receiving signal control switch 113 by the first frequency band power amplifier circuit 114, the receiving signal control switch 113 transmits the first frequency band wireless signal to the mixed signal transceiver chip 110, and a high level is sent to the mixed signal transceiver chip 110 through the first level input end to inform the mixed signal transceiver chip 110 that the first frequency band wireless signal is received.
Specifically, when the first frequency band wireless signal is transmitted to the signal transceiver, the first frequency band antenna 21 receives the first frequency band wireless signal, and transmits the first frequency band wireless signal to the first frequency band power amplifier 114 for amplification processing and to the received signal control switch 113, and the received signal control switch 113 transmits the first frequency band wireless signal to the mixed signal transceiver chip 110.
The second frequency band wireless signal received through the second frequency band antenna 21 is transmitted to the receiving signal control switch 113 by the second frequency band power amplifier circuit 115, the receiving signal control switch 113 transmits the second frequency band wireless signal to the mixed signal transceiver chip 110, and sends a high level to the mixed signal transceiver chip through the second level input end, when the mixed signal transceiver chip 110 receives the first level input end as the high level, the corresponding wireless signal can be known to be the first frequency band wireless signal, that is, the mixed signal transceiver chip 110 is informed of receiving the first frequency band wireless signal.
Specifically, when the second frequency band wireless signal is transmitted to the signal transceiver, the second frequency band antenna 31 receives the second frequency band wireless signal, and transmits the second frequency band wireless signal to the second frequency band power amplifier circuit 115 for amplification processing and to the received signal control switch 113, and the received signal control switch 113 transmits the second frequency band wireless signal to the mixed signal transceiver chip 110.
Through the above arrangement, when the wireless signals are received, the high level of the corresponding level input end is generated according to the received wireless signals in different frequency bands and transmitted to the mixed signal receiving and transmitting chip 110, so that the mixed signal receiving and transmitting chip 110 can separate the frequency band corresponding to the received wireless signals according to the corresponding level input end, and separation of the received signals is realized.
Example two
Fig. 7 shows a schematic diagram of a wireless network device 40 that may be used to implement an embodiment of the present invention. Comprising the following steps: the signal transceiver 41, the main control device 42, the third band signal transceiver 43, the fourth band signal transceiver 44, the third band antenna 45 and the fourth band antenna 46 provided in the above embodiments. Wherein,
the signal transceiver 41 is connected with the main control device 42, and is configured to receive a wireless signal transmission request of the main control device 42, generate a wireless signal of a frequency band corresponding to the wireless signal transmission request, and control an antenna matched with the corresponding frequency band to transmit the wireless signal; the frequency band includes first frequency band and second frequency band, and radio signal includes first frequency band radio signal and second frequency band radio signal, and the antenna that matches with the frequency band includes: a first band antenna 21 and a second band antenna 31. The signal frequency ranges of the first frequency band and the second frequency band are different.
Further, the wireless network device 40 further includes:
a third band antenna 41 and a third band signal transceiver 43 connected to the third band antenna 41;
a fourth band antenna 46 and a fourth band signal transceiver 44 connected to the fourth band antenna 46;
the third frequency band signal transceiver 43 and the fourth frequency band signal transceiver 44 are respectively connected with the main control device 42;
the signal frequency ranges of the third frequency band and the fourth frequency band are different, and the signal frequency ranges of the first frequency band and the second frequency band are also different.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. A signal transmitting-receiving device, comprising: the mixed signal receiving and transmitting module is connected with the first frequency band antenna and the second frequency band antenna;
the mixed signal receiving and transmitting module is used for controlling the generated first frequency band wireless signal to be transmitted through the first frequency band antenna when the first frequency band wireless signal transmitting condition is met; when the second frequency band wireless signal sending condition is met, controlling the generated second frequency band wireless signal to be sent through the second frequency band antenna;
wherein, the signal frequency ranges of the first frequency band and the second frequency band are different;
wherein, the mixed signal transceiver module includes:
the device comprises a mixed signal receiving and transmitting chip, a transmitting signal control switch, a feedback signal control switch, a receiving signal control switch, a first frequency band power amplifier circuit and a second frequency band power amplifier circuit;
the signal transmitting pin of the mixed signal receiving and transmitting chip is connected with the signal input end of the transmitting signal control switch; the signal feedback pin is connected with the signal input end of the feedback signal control switch; the receiving signal pin is connected with the signal input end of the receiving signal control switch; the level pin is respectively connected with a first level input end and a second level input end of the transmitting signal control switch, the feedback signal control switch and the receiving signal control switch;
the first frequency band signal output ends of the transmitting signal control switch, the feedback signal control switch and the receiving signal control switch are respectively connected with the input end of the first frequency band power amplifier circuit;
the second frequency band signal output ends of the transmitting signal control switch, the feedback signal control switch and the receiving signal control switch are respectively connected with the input end of the second frequency band power amplifier circuit;
the first frequency band power amplifier circuit is connected with the first frequency band antenna;
the second frequency band power amplifier circuit is connected with the second frequency band antenna.
2. The apparatus of claim 1, wherein the mixed signal transceiver module further comprises: a first filter circuit and a second filter circuit;
the input end of the first filter circuit is connected with the output end of the first frequency band power amplifier circuit, and the output end of the first filter circuit is connected with the first frequency band antenna;
the input end of the second filter circuit is connected with the output end of the second frequency band power amplifier circuit, and the output end of the second filter circuit is connected with the second frequency band antenna.
3. The apparatus of claim 1, wherein the mixed signal transceiver module further comprises: a broadband signal matching circuit of a set quantity;
the mixed signal receiving and transmitting chip is connected with the transmitting signal control switch, the feedback signal control switch and the receiving signal control switch through the broadband signal matching circuit respectively.
4. The apparatus of claim 1, wherein the mixed signal transceiver module further comprises: a first power supply control circuit and a second power supply control circuit;
the first power supply control circuit is connected with the level pin of the mixed signal receiving and transmitting chip and is also connected with the first frequency band power amplifier circuit and is used for supplying power to the first frequency band power amplifier circuit when receiving a high-level signal;
the second power supply control circuit is connected with the level pin of the mixed signal receiving and transmitting chip and is also connected with the second frequency band power amplifier circuit and is used for supplying power to the second frequency band power amplifier circuit when receiving a high-level signal.
5. The apparatus of any one of claims 1-4, wherein,
when the mixed signal receiving and transmitting chip receives a transmission request of a first frequency band wireless signal, a high level is transmitted to a first level input end of the transmission signal control switch and a feedback signal control switch through a level pin, and a low level is transmitted to a second level input end;
the transmitting signal control switch is used for conducting connection with the first frequency band power amplifier circuit when a high level is input by the first level input end and a low level is input by the second level input end, and transmitting the generated first frequency band wireless signal to the first frequency band antenna for transmitting through the first frequency band power amplifier circuit;
and the feedback signal control switch is connected with the first frequency band power amplifier circuit when the first level input end inputs high level and the second level input end inputs low level so as to transmit the feedback signal of the first frequency band power amplifier circuit to the mixed signal receiving and transmitting chip.
6. The apparatus of any one of claims 1-4, wherein,
when the mixed signal receiving and transmitting chip receives a transmission request of a second frequency band wireless signal, a low level is transmitted to a first level input end of the transmission signal control switch and a feedback signal control switch through a level pin, and a high level is transmitted to a second level input end;
the transmitting signal control switch is used for conducting connection with the second frequency band power amplifier circuit when a low level is input by the first level input end and a high level is input by the second level input end, and transmitting the generated second frequency band wireless signal to the second frequency band antenna for transmitting through the second frequency band power amplifier circuit;
and the feedback signal control switch is connected with the second frequency band power amplifier circuit when the first level input end inputs low level and the second level input end inputs high level so as to transmit the feedback signal of the second frequency band power amplifier circuit to the mixed signal receiving and transmitting chip.
7. The apparatus of any one of claims 1-4, wherein,
the method comprises the steps that a first frequency band wireless signal received through a first frequency band antenna is transmitted to a received signal control switch through a first frequency band power amplifier circuit, the received signal control switch transmits the first frequency band wireless signal to a mixed signal receiving and transmitting chip, and a high level is sent to the mixed signal receiving and transmitting chip through a first level input end so as to inform the mixed signal receiving and transmitting chip of receiving the first frequency band wireless signal;
and the second frequency band wireless signal received through the second frequency band antenna is transmitted to a receiving signal control switch by the second frequency band power amplifier circuit, the receiving signal control switch transmits the second frequency band wireless signal to the mixed signal receiving and transmitting chip, and a high level is transmitted to the mixed signal receiving and transmitting chip through a second level input end so as to inform the mixed signal receiving and transmitting chip of receiving the second frequency band wireless signal.
8. A wireless network device, comprising: a master control device and a signal transceiver device according to any one of claims 1 to 7;
the signal receiving and transmitting device is connected with the main control device and is used for receiving a wireless signal transmission request of the main control device, generating a wireless signal of a frequency band corresponding to the wireless signal transmission request and controlling an antenna matched with the corresponding frequency band to transmit the wireless signal;
the frequency band comprises a first frequency band and a second frequency band, the wireless signals comprise a first frequency band wireless signal and a second frequency band wireless signal, and the antenna matched with the frequency band comprises: a first frequency band antenna and a second frequency band antenna;
the signal frequency ranges of the first frequency band and the second frequency band are different.
9. The apparatus as recited in claim 8, further comprising:
a third frequency band antenna and a third frequency band signal transceiver connected with the third frequency band antenna;
a fourth frequency band antenna and a fourth frequency band signal transceiver connected with the fourth frequency band antenna;
the third frequency band signal transceiver and the fourth frequency band signal transceiver are respectively connected with the main control device;
the signal frequency ranges of the third frequency band and the fourth frequency band are different, and the signal frequency ranges of the third frequency band and the fourth frequency band are also different from the signal frequency ranges of the first frequency band and the second frequency band.
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